CompatHelper: add new compat entry for "StructTypes" at version "1.4"#3

github-actions[bot] wants to merge 1 commit intomasterhildebrandtlab/sbl.jl:masterfrom

compathelper/new_version/2021-03-02-00-38-55-904-4179215457hildebrandtlab/sbl.jl:compathelper/new_version/2021-03-02-00-38-55-904-4179215457Copy head branch name to clipboard